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Miniature Relays For Electronics Analog Switches

Micrel

1.7 - 5.5 V | MIC94040/1/2/3

Article: 00086819

Semiconductor switch / IC / board-mount / booster

The MIC94040/1/2/3 is a family of high-side load switches designed to operate from 1.7V to 5.5V input voltage. The load switch pass element is an internal 28m? RDSON P-channel MOSFET which enables the device to support up to 3A of continuous current. Additionally, the load switch supports 1.5V logic level control and shutdown features in a tiny 1.2mm x 1.2mm 4 pin MLF® package.

The MIC94040 and MIC94041 feature rapid turn on, while the
MIC94042 and MIC94043 provide a slew rate controlled softstart
turn-on of 100?s. The soft-start feature is provided to prevent an in-rush current event from pulling down the input supply voltage.

The MIC94041 and MIC94043 feature an active load discharge circuit which switches in a 200? load when the switch is disabled to automatically discharge a capacitive load. An active pull-down on the enable input keeps the MIC94040/1/2/3 in a default OFF state until the enable pin is pulled above 1.2V. Internal level shift circuitry allows low
voltage logic signals to switch higher supply voltages. The enable voltage can be as high as 5.5V and is not limited by the input voltage.

Specifications

  • Technology: semiconductor
  • Type: IC
  • Other characteristics: board-mount, booster

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